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RoadForce



Member Since: 17 Jul 2014
Location: Holland
Posts: 324
Netherlands 2000 Defender 130 Td5 HCPU Coniston Green
Sealant between under-dash AC and pipes in engine bay?
I am refitting the Td5 under-dash AC unit after doing some repairs to my footwells and outriggers, and I am at the point of connecting the pipes that go through the bulkhead. They connect to the ones in the engine bay with 2 bolts, and I don't recall seeing any sealant when I removed the unit. Should I just bolt the cylinder shaped flanges together dry? Defender 130 HCPU Td5 MY2000
Post #588522 29th Dec 2016 8:23pm
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Justtellme



Member Since: 23 Nov 2015
Location: Ottawa
Posts: 305
Canada 2003 Defender 110 Td5 SW Oslo Blue
I expect there would be an o ring?
Post #588560 29th Dec 2016 9:44pm
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RoadForce



Member Since: 17 Jul 2014
Location: Holland
Posts: 324
Netherlands 2000 Defender 130 Td5 HCPU Coniston Green
Yeah, I would expect so too, but there seems to be no such thing and my AC was working fine before I removed the under-dash facia and evaporator??? Defender 130 HCPU Td5 MY2000
Post #588566 29th Dec 2016 9:52pm
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RoadForce



Member Since: 17 Jul 2014
Location: Holland
Posts: 324
Netherlands 2000 Defender 130 Td5 HCPU Coniston Green
Ok, just to be complete: I found out there is an O-ring on the pipes that connect from the engine bay, see attached (crappy) picture.



Click image to enlarge Defender 130 HCPU Td5 MY2000
Post #592820 13th Jan 2017 3:55pm
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MadTom



Member Since: 10 Sep 2013
Location: Olomouc
Posts: 572
Czech Republic 1999 Defender 130 Td5 HCPU Baltic Blue
Replace the Oring for a new one with drop of PAG oil (oil for AC internals). Without this you are in risk of leak. "Drobek" = The Small One - Discovery 2, "Blufínek" = The Blue Thing - Defender 130, and for me at least Ford Mondeo Smile
Post #593427 16th Jan 2017 8:21am
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RoadForce



Member Since: 17 Jul 2014
Location: Holland
Posts: 324
Netherlands 2000 Defender 130 Td5 HCPU Coniston Green
Hmmm I put it back together without all that, I hope it will be allright. Fingers crossed! Defender 130 HCPU Td5 MY2000
Post #593457 16th Jan 2017 10:19am
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